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Frage 240

What is the resonant frequency of an RLC circuit if R is 33 ohms, L is 50 microhenries, and C is 10 picofarads?

  1. 7.12 MHzRichtige Antwort
  2. 23.5 kHz
  3. 7.12 kHz
  4. 23.5 MHz

Erklärung

Only L and C set the resonant frequency; the 33 Ω resistance changes Q and bandwidth but leaves the resonance point alone. With 50 µH and 10 pF the result is about 7.12 MHz.

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Frage 240: What is the resonant frequency of an RLC circuit if R is 33… · FCC Amateur Extra Class (Element 4) · Questena